After taking the test, you may print your answers for reference or to turn in as
homework.
True/False Indicate
whether the statement is true or false.
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1.
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Optical fibers can transmit either voice, data or video and
either analog or digital signals.
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2.
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Singlemode fiber has a smaller core than multimode
fiber.
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Multiple Choice Identify the choice that best
completes the statement or answers the question.
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3.
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In an optical fiber, the light is transmitted through the
__________.
A. | Core | B. | Cladding | C. | Buffer | D. | Jacket |
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4.
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The diameter of an optical fiber is traditionally measured
in __________.
A. | Meters | B. | Millimeters | C. | Microns
(micrometers) | D. | Nanometers |
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5.
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Rays of light transmitted in multimode fiber are
called __________.
A. | Reflections | B. | Refractions | C. | Waves | D. | Modes |
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6.
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Loss of a fiber or any fiber in a cable is measured in
__________.
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7.
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10 dB corresponds to a factor of __________ in power.
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8.
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A fiber stripper removes the __________ of the fiber.
A. | Core | B. | Cladding | C. | Buffer
coating |
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9.
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The __________ protects the fiber from harm.
A. | Primary buffer coating | B. | Aramid fiber strength members | C. | Jacket | D. | All of the
above |
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10.
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Which fiber optic test instrument uses backscattered light
for measurements?
A. | OLTS | B. | OTDR | C. | VFL | D. | Tracer |
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11.
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The wavelength of light used for most fiber optic systems is
in the __________ region and __________ to the human eye.
A. | ultraviolet, invisible | B. | solar, visible | C. | infrared,
invisible |
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